Flamco Flexfiller Direct G4 pumpless pressurisation unit
- Established 1975
- Trusted by thousands of customers
Flamco Flexfiller Direct G4 pumpless pressurisation unit
The FlexFiller Direct G4 is a compact, wall-mounted, pumpless pressurisation unit designed by Flamco for maintaining pressure in sealed heating and cooling systems.
More about this product
Overview
The FlexFiller Direct G4 is a compact, wall-mounted, pumpless pressurisation unit designed by Flamco for maintaining pressure in sealed heating and cooling systems. It connects directly to a building’s mains water supply and automatically fills and maintains system pressure without the need for a pump.
This unit is suitable for systems with volumes up to 50,000 litres and allows pressure settings in 0.1 bar increments, providing precise control over system pressurization.
Key features
- Silent Operation: As a pumpless unit, it operates quietly, making it suitable for residential and light commercial applications.
- Flow Rate: It offers a top-up flow rate of up to 14 liters per minute, depending on the mains water pressure.
- Advanced Control System: Equipped with a user-friendly controller that displays operating and error conditions, it features microprocessor control, self-learning algorithms, and extensive data storage for analysis.
- Communication Protocols: Supports MODBUS RTU and BACnet communication protocols via RS485, facilitating integration with building management systems.
- Safety Features: Includes system safety valve monitoring, expansion vessel health monitoring, leak detection, and flood protection mechanisms.
- Installation: Comes with flexible hoses for easy connection to the mains and sealed system, and a universal connection to the drain, fitting various pipe types.
Specification
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Product specifications
- Quiet pumpless pressurisation unit
- Digitally controlled ‘first fill’ of systems
- Service reminder (12 months)
- Password protected
- Pressure setting in 0.1 bar increments
- Runtime limiter and seperate excessive activation alarm for flood protection
- Fully programmable volt free contact: Common alarm (N/C or N/O)
- Intelligent data acquisition
- Microprocessor control, self-learning with graphical display
- Connects directly to the mains or a suitable boosted cold water mains supply
- No RPZ valve is required
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Manual PDFDownload
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Installation PDFDownload
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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